31342520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71233}}^1$

素因数の和:71255

約数の個数: 32

約数和(自身を含む): 76932720

約数和(自身を除く): 45590200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 71233, 142466, 284932, 356165, 569864, 712330, 783563, 1424660, 1567126, 2849320, 3134252, 3917815, 6268504, 7835630, 15671260, 31342520]

約数ペア:

[(1, 31342520), (2, 15671260), (4, 7835630), (5, 6268504), (8, 3917815), (10, 3134252), (11, 2849320), (20, 1567126), (22, 1424660), (40, 783563), (44, 712330), (55, 569864), (88, 356165), (110, 284932), (220, 142466), (440, 71233)]